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-2.2x-0.8-7.8=-3.3
We move all terms to the left:
-2.2x-0.8-7.8-(-3.3)=0
We add all the numbers together, and all the variables
-2.2x-5.3=0
We move all terms containing x to the left, all other terms to the right
-2.2x=5.3
x=5.3/-2.2
x=-2+0.9/2.2
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